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From "Robert Chansler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3934) Update log4j from 1.2.13 to 1.2.15
Date Sat, 16 Aug 2008 00:33:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623065#action_12623065

Robert Chansler commented on HADOOP-3934:

I surveyed some of the usual suspects, and failed to confirm that this is an urgent performance
issue. Satisfactory performance was reported in one large test.

That said, moving to the next version of Log4J is a Good Thing for the reasons reported by

(The reason that this is a non-trivial upgrade is that Hadoop is built with a non-standard
version of Log4J. Transition to a released version requires some deliberation.)

> Update log4j from 1.2.13 to 1.2.15
> ----------------------------------
>                 Key: HADOOP-3934
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3934
>             Project: Hadoop Core
>          Issue Type: Improvement
>    Affects Versions: 0.18.0
>            Reporter: Don Kim
>            Priority: Blocker
>             Fix For: 0.18.1
> Hadoop is currently using log4j version 1.2.13 and this version does not support the
use of a non-default syslog port when specifying the syslog server destination.   Syslogging
is important to us and even more so with audit logging introduced in hadoop-0.18.  The current
released version of log4j is 1.2.15 which does support the use of specifying a non-default
syslog port (introduced in log4j 1.2.14) as well as many other syslog enhancements and fixes

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